<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card >
      <!--搜索与添加区-->
      <el-row :gutter="20">
          <el-col :span="7">
            <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getUserList">
             <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="isDialog">添加用户</el-button>
          </el-col>
        </el-row>
      <!--用户列表区-->
      <el-table
          :data="userList"
          stripe
          border
          style="width: 100%">
          <el-table-column type="index" label="ID" ></el-table-column>
          <el-table-column prop="username" label="姓名" ></el-table-column>
          <el-table-column prop="email" label="邮箱" ></el-table-column>
          <el-table-column prop="mobile" label="电话"></el-table-column>
          <el-table-column prop="role_name" label="角色"></el-table-column>
          <el-table-column prop="mg_state" label="状态" width="80px">
            <template slot-scope="scope">
              <el-switch v-model= "scope.row.mg_state" @change="userStateChange(scope.row)"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="200px">
            <template slot-scope="scope">
              <!--修改按钮-->
              <el-button type="primary" icon="el-icon-edit" size="small" @click="showEditDailog(scope.row)"></el-button>
              <!--删除按钮-->
              <el-button type="danger" icon="el-icon-delete" size="small" @click="removeUserById(scope.row.id)"></el-button>
              <!--分配角色-->
              <el-tooltip effect="dark" content="角色分配" placement="top-start" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" size="small" @click="setRole(scope.row)"></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      <!--分页区-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 3, 5, 7]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <!--添加用户对话框-->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @closed="addDialogClosed"
      >
      <!--添加用户表单-->
      <el-form :model="addForm" :rules="addFules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username"><el-input v-model="addForm.username"></el-input></el-form-item>
        z
        <el-form-item label="邮箱" prop="email"><el-input v-model="addForm.email"></el-input></el-form-item>
        <el-form-item label="手机" prop="mobile"><el-input v-model.number="addForm.mobile"></el-input></el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!--修改用户对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @closed="addFulesClosed"
    >
      <!--修改用户表单-->
      <el-form :model="EditForm" :rules="addFules" ref="addFulesRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" ><el-input v-model="EditForm.username" disabled></el-input></el-form-item>
        <el-form-item label="邮箱" prop="email"><el-input v-model="EditForm.email"></el-input></el-form-item>
        <el-form-item label="手机" prop="mobile"><el-input v-model.number="EditForm.mobile"></el-input></el-form-item>
      </el-form>
      <!--底部区域-->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible  = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!--分配角色对话框-->
    <el-dialog
      title="提示"
      :visible.sync="setRoleDialogVisible"
      width="50%">
      <div>
        <p>当前的用户:{{userInfo.username}}</p>
        <p>当前的角色:{{userInfo.role_name}}</p>
        <p>
          分配新的角色:
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  name: 'users',
  data () {
    return {
      // 分配角色对话框
      setRoleDialogVisible: false,
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 1
      },
      userList: [],
      total: 0,
      // 控制添加用户的对话框
      addDialogVisible: false,
      // 添加用户的表单数据

      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      EditForm: {
        id: '',
        username: '888888',
        email: '',
        mobile: 0
      },
      // 添加表单验证规则
      addFules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' }
        ]
      },
      // 控制修改用户对话框
      editDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 选中的角色
      selectRoleId: ''
    }
  },
  methods: {
    async getUserList () {
      // eslint-disable-next-line no-unused-vars
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('请求用户列表失败')
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听pagesize改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值改变的事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch状态的改变
    async userStateChange (userinfo) {
      // eslint-disable-next-line no-unused-vars
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      console.log(res)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新数据成功')
    },
    // 弹出添加用户对话框
    isDialog () {
      this.addDialogVisible = true
    },
    // 关闭添加用户对话框
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 关闭修改用户对话框
    addFulesClosed () {
      this.$refs.addFulesRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async vaild => {
        if (!vaild) return
        // 发起添加用户的请求
        // eslint-disable-next-line no-unused-vars
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) return this.$message.error('添加用户失败')
        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        // 重新获取用户列表
        this.getUserList()
        console.log(vaild)
      })
    },
    // 修改用户
    showEditDailog (user) {
      // this.EditForm.username = user.username
      this.EditForm = user
      this.editDialogVisible = true
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.addFulesRef.validate(async valid => {
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // 发起修改用户信息的请求
        // eslint-disable-next-line no-unused-vars
        const { data: res } = await this.$http.put('users/' + this.EditForm.id, {
          email: this.EditForm.email,
          mobile: this.EditForm.mobile
        })
        console.log(res.meta)
        if (res.meta.status !== 200) return this.$message.error('更新用户信息失败')
        // 重新获取用户列表
        this.getUserList()
        this.editDialogVisible = false
        this.$message.success('更新用户信息成功')
      })
    },
    // 根据删除用户
    async removeUserById (id) {
      // 弹框询问用户是否删除
      // eslint-disable-next-line no-unused-vars
      const ress = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
        center: true
      }).then(async () => {
        // eslint-disable-next-line no-unused-vars
        const { data: res } = await this.$http.delete('users/' + id)
        if (res.meta.status !== 200) {
          this.$message.error('删除失败')
        }
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
        this.getUserList()
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    // 展示角色分配对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前获取所有的角色列表
      // eslint-disable-next-line no-unused-vars
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) return this.$message.error('获取角色列表失败')
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo () {
      if (!this.selectRoleId) return this.$message.error('请选择要分配的角色')
      // eslint-disable-next-line no-unused-vars
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectRoleId
      })
      if (res.meta.status !== 200) return this.$message.error('更新用户失败')
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
      this.selectRoleId = ''
    }
  },
  created () {
    this.getUserList()
  }
}
</script>

<style lang="less" scoped>

</style>
